In a logarithmic spiral, the ___ of lengths of constitutive radii enclosing equal angles is constant.

The lines which are used to regulate the height of the letters are known as ___.

The eccentricity is always ___ than one for an ellipse.

How are cutting plane lines drawn?

How much thicker are lines specified as thick compared to thin lines, and how much thicker are lines specified as medium…

When a dotted line coincides with a solid line, the ___ line takes preference.

When a line is perpendicular to H.P., its horizontal trace will coincide with view ___ of the line.

The view obtained on the auxiliary plane which is ___ to the inclined surface of an object is called auxiliary view.